Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 44

  Copyright © 1993-2024 Infrared and Raman Users Group (IRUG) 

Details

IRUG filename: RMP00044	Data type: Raman	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Orpiment, Pigment Yellow 39, CI#77085	Chemical/botanical name(s): Arsenic trisulfide
CAS name: Arsenic sulfide	Sample source 1: Forbes Pigment Collection, Harvard University Art Museum	Source location 1: 32 Quincy St, Cambridge, MA, 02138, USA
Sample source 2: Museum of Fine Arts, Boston	Source location 2: 465 Huntington Avenue, Boston, MA, 02115, USA	Sample identifier 2: MFA 334
Color: Yellow, medium, opaque	Age: 1916, dated	Application: Raman microscopy/microspectroscopy
Excitation source (nm): 785	Mode: Scat	Originating institution name: Museum of Fine Arts, Boston
Originating institution acronym: MFAB	Molecular formula: As2 S3	Linear formula: As2S3
CAS registry no: 1303-33-9	Other analytical methods: XRD (x-ray diffraction), XRF (x-ray fluorescence)